Product comparison · 2 network cards

D-Link DWA-137/C1A network card WLAN vs QNAP QXG-25G2SF-BCM network card Internal Fiber 25000 Mbit/s

7specifications compared
7differ
0identical
21known for one product only

Key differences

The QNAP QXG-25G2SF-BCM network card Internal Fiber 25000 Mbit/s has 167 mm more depth than the D-Link DWA-137/C1A network card WLAN (186 mm vs 19 mm). Only the QNAP QXG-25G2SF-BCM network card Internal Fiber 25000 Mbit/s has internal. Connectivity technology: Wireless on the D-Link DWA-137/C1A network card WLAN, Wired on the QNAP QXG-25G2SF-BCM network card Internal Fiber 25000 Mbit/s. Host interface: USB on the D-Link DWA-137/C1A network card WLAN, PCI Express on the QNAP QXG-25G2SF-BCM network card Internal Fiber 25000 Mbit/s. Interface: WLAN on the D-Link DWA-137/C1A network card WLAN, Fiber on the QNAP QXG-25G2SF-BCM network card Internal Fiber 25000 Mbit/s.

Connectivity technology
- DWA-137/C1A network card WLAN:Wireless
- QXG-25G2SF-BCM network card Internal Fiber 25000 Mbit/s:Wired
Host interface
- DWA-137/C1A network card WLAN:USB
- QXG-25G2SF-BCM network card Internal Fiber 25000 Mbit/s:PCI Express
Interface
- DWA-137/C1A network card WLAN:WLAN
- QXG-25G2SF-BCM network card Internal Fiber 25000 Mbit/s:Fiber
Internal
- DWA-137/C1A network card WLAN:No
- QXG-25G2SF-BCM network card Internal Fiber 25000 Mbit/s:Yes
Product colour
- DWA-137/C1A network card WLAN:Black
- QXG-25G2SF-BCM network card Internal Fiber 25000 Mbit/s:Silver, Dark Green
Depth
- DWA-137/C1A network card WLAN:19 mm
- QXG-25G2SF-BCM network card Internal Fiber 25000 Mbit/s:186 mm

Side by side

Differences highlightedShow differences only

Comparison of DWA-137/C1A, QXG-25G2SF-BCM
28 specifications	A D-Link DWA-137/C1A network card WLAN Model DWA-137/C1A View product	B QNAP QXG-25G2SF-BCM network card Internal Fiber 25000 Mbit/s Model QXG-25G2SF-BCM View product
Ports & interfaces3 differ
Connectivity technologyDiffers	Wireless	Wired
Host interfaceDiffers	USB	PCI Express
InterfaceDiffers	WLAN	Fiber
USB ports quantityKnown for one	1	Unknown — not stated by the source
Fiber optic connectorKnown for one	Unknown — not stated by the source	SFP28
Fiber ports quantityKnown for one	Unknown — not stated by the source	2
PCI versionKnown for one	Unknown — not stated by the source	4.0
PCI Card form factorKnown for one	Unknown — not stated by the source	Full-height (low-profile)
Network1 differ
Networking standardsDiffers	IEEE 802.11b, IEEE 802.11g, IEEE 802.11n	IEEE 802.3az, IEEE 802.1Q, IEEE 802.3x, IEEE 802.1p, IEEE 802.3ad, IEEE 802.3ae, IEEE 802.1as
Wi-FiKnown for one	Yes	Unknown — not stated by the source
Wi-Fi bandKnown for one	Single-band (2.4 GHz)	Unknown — not stated by the source
Top Wi-Fi standardKnown for one	Wi-Fi 4 (802.11n)	Unknown — not stated by the source
Wi-Fi standardsKnown for one	802.11b, 802.11g, Wi-Fi 4 (802.11n)	Unknown — not stated by the source
Security algorithmsKnown for one	128-bit WEP, 64-bit WEP, WPA, WPA2	Unknown — not stated by the source
Maximum data transfer rateKnown for one	Unknown — not stated by the source	25000 Mbit/s
LAN controllerKnown for one	Unknown — not stated by the source	Broadcom BCM57502
Design2 differ
InternalDiffers	No	Yes
Product colourDiffers	Black	Silver, Dark Green
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
Component forKnown for one	Unknown — not stated by the source	Server/workstation
Poweridentical
USB poweredKnown for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 40 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-20 - 65 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	10 - 90%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Weight & dimensions1 differ
WidthKnown for one	47 mm	Unknown — not stated by the source
DepthDiffers	19 mm	186 mm
HeightKnown for one	12 mm	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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